20259580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5417}}^1$

素因数の和:5454

約数の個数: 48

約数和(自身を含む): 49152096

約数和(自身を除く): 28892516

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5417, 10834, 21668, 27085, 54170, 59587, 92089, 108340, 119174, 184178, 238348, 297935, 368356, 460445, 595870, 920890, 1012979, 1191740, 1841780, 2025958, 4051916, 5064895, 10129790, 20259580]

約数ペア:

[(1, 20259580), (2, 10129790), (4, 5064895), (5, 4051916), (10, 2025958), (11, 1841780), (17, 1191740), (20, 1012979), (22, 920890), (34, 595870), (44, 460445), (55, 368356), (68, 297935), (85, 238348), (110, 184178), (170, 119174), (187, 108340), (220, 92089), (340, 59587), (374, 54170), (748, 27085), (935, 21668), (1870, 10834), (3740, 5417)]